Amount of waste effluent from cleaning section is decreased.

净化工段减少了排酸量；

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Of the 13 priority pollutant metals tested for, two are found in elevated levels in passivation waste effluent waters.

在经检测的13种优先级污染金属中，发现有两种金属在钝化废液中的水平有所增加。

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"Sewage sludge" means sludge arising from urban effluent treatment plant and includes pretreatment waste, scourings and unstabilised sludge.

“下水道淤泥”，是指经城市污水处理厂产生的淤渣，包括预处理的废物、污垢和性质不稳定的淤泥。

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Effluent waste from these concentrated animal facilities are undermining what little clean water and healthy micro-nutrient cycles still exist out there.

FORBES: So Long To The Era Of Cheap Food?

We feed them animal waste, and they convert it from manure to digested effluent, eating the carbohydrates and producing biogas that contains methane.

FORBES: Magazine Article